code: def add_fn(a, b, o, N: tl.constexpr):
      idx = tl.arange(0, N)
      tl.store(o + idx, tl.load(a + idx) + tl.load(b + idx))
  
imports: import importlib.util
  import os
  import shutil
  import tempfile
  import pytest
  import torch
  import triton
  import triton.language
  from triton.runtime.jit import JITFunction
label_desc: Use image node_id 18 for calling a global function with example usage: add_fn(a, b, o, N) without return types